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Finding the Fourth Proportional to 22,559.66, 33,842.73 and 6,978.50

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Solution

The fourth proportional to 22,559.66, 33,842.73 and 6,978.50 is: 10,468.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,559.66 : 33,842.73 = 6,978.50 : x
  2. Step 2: Convert to fraction form
    22,559.66/33,842.73 = 6,978.50/x
  3. Step 3: Cross multiply
    22,559.66x = 33,842.73 × 6,978.50
  4. Step 4: Simplify right side
    22,559.66x = 236,171,491.31
  5. Step 5: Solve for x
    x = 236,171,491.31/22,559.66
  6. Step 6: Final answer
    x = 10,468.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.